Mastercard

Senior Software Engineer (Backend - Java)

Toronto, Canada (Ethoca), CA · Senior

Sponsorship not specifiedDetected 18 hours ago

JavaSpringDistributed SystemsCode ReviewGitAzureCI/CDRESTAI OrchestrationIncident ResponseControlsCollaborationMentoring

About the role

Ethoca, a Mastercard company, is transforming the way merchants and card issuers work together to combat fraud and improve the digital commerce experience.
Mastercard powers an inclusive digital economy by making transactions safe, simple, smart, and accessible.
Through secure technology, trusted partnerships, and continuous innovation, we help individuals, businesses, and governments realize their greatest potential.

We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible.
Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
We build highly scalable, secure, and resilient technology that powers collaboration across the global payments ecosystem.
This role is ideal for an engineer who can independently drive initiatives, influence technical decisions, mentor others, and contribute to a culture of engineering excellence.
As a Senior Software Engineer, you will design, develop, and operate secure, scalable software solutions that support critical business capabilities and customer outcomes.
Design, develop, test, deploy, and maintain high-quality software solutions that meet Mastercard standards for security, reliability, scalability, and operational excellence.

Bachelor's degree in Computer Science, Information Technology, a related field, or equivalent practical experience.
Expert-level proficiency with Java (17+) and Spring-based application development.
Demonstrated ability to investigate and resolve complex production issues through structured troubleshooting, evidence-based decision-making, and root cause analysis.
Strong understanding of observability practices including logging, monitoring, metrics, dashboards, distributed tracing, and reliability-oriented alerting.
Experience with modern data platforms and databases, including data modeling, scalability, performance, and operational trade-offs.
Working knowledge of authentication, authorization, secrets management, vulnerability management, and secure handling of sensitive data in regulated environments.

Experience in payments, fintech, commerce, banking, fraud prevention, or other regulated industries.
Experience with batch processing, workflow orchestration, or large-scale data pipelines.
Experience incorporating AI-enabled capabilities into products or engineering workflows.
We hire the most qualified candidate for the role.
The Reasonable Accommodations team will respond to your email promptly.
Corporate Security Responsibility
Abide by Mastercard's security policies and practices
Ensure the confidentiality and integrity of the information being accessed

Foster engineering excellence through code reviews, technical mentoring, knowledge sharing, and promotion of development best practices.
Continuously improve automation, testing, observability, developer experience, and software delivery processes.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in Canada, the successful candidate will be offered a competitive pay based on location, experience and other qualifications for the role an

We are looking for a Senior Software Engineer who thrives on solving complex technical problems, takes ownership of outcomes, and enjoys building production-grade software that operates at scale.
Together with our customers, we're helping build a sustainable economy where everyone can prosper.

This listing is sourced directly from Mastercard's careers page and normalized into a canonical job model.